2012 was a banner year for Kickstarter, the crowdfunding service.

Last year, 2.2 million people pledged nearly $320 million to projects across the service. All told, 18,109 projects were successfully funded. To put that into perspective, $99.3 million was pledged via the site in 2011.

Kickstarter also shed some light on last year’s power backers Nearly 571,000 people backed two more projects, but 50,000 backed 10 or more. And about 450 people backed 100 or more projects.

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